“If someone forces you to go one mile, go with him two miles.” The reference here is to an ancient Persian custom. The Persians introduced the use of regular couriers to carry letters or news. The king’s courier had absolute command of all help that was necessary in the performance of his task. He could press horses into service, and compel the owners to accompany him if he desired. To refuse compliance with his demands was an unpardonable offense against the king. There was also